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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Merriam, KS
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May
Average Temperature
High
24°
Feels 24
Low
13°
Feels 13
Average Precipitation
13 Days
Rain amount
164.9mm
Snow amount
0.1cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20°
21
18°
22
19°
23
24°
24
26°
25
28°
26
28°
27
29°
28
30°
29
30°
30
31°
31
31°
Forecast
Wednesday, May 20, 2026
Day
20°
Feels 20
Wind
18 km/h NE
Gust
27 km/h
Humidity
42%
P.O.P
10%
Night
13°
Feels 12
Wind
16 km/h E
Gust
25 km/h
Humidity
85%
P.O.P
60%
Rain
<1 mm
Historical Averages
May 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.